Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Kouvola Weather in May
May in Kouvola brings moderate temperatures around 17°C (63°F) during the day, dropping to 6°C (43°F) at night, with some rainfall expected.
Rainfall in Kouvola in May
You can typically expect 10 days of rain this month, averaging around 51 mm (2 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Kouvola in May
Kouvola in May gets highs of 17°C (63°F) during the day and drops to 6°C (43°F) at night. Conditions are often most pleasant around the middle of the day. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Kouvola Temperature in May
Min Temperature
6°C (43°F)
Max Temperature
17°C (63°F)
Chance of Rain
34%
Precipitation
51 mm (2 in)
Rainy days
10 days
Kouvola Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kouvola - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kouvola typically rise from around 12°C (54°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cold, with lows typically ranging from 2°C (36°F) to 8°C (46°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather records for Kouvola in May
Browse day-by-day weather records for Kouvola spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kouvola historical weather extremes in May
Our historical data for Kouvola spans 1976 to 2026, revealing these weather extremes.
- On May 19, 2014, temperatures climbed to 30°C (86°F), marking the warmest May day on record.
- The lowest daytime temperature in May was 2°C (36°F), recorded on May 1, 2005.
- The coldest night in May in Kouvola was on May 2, 1978, with a minimum of -6°C (21°F).
- Peak precipitation in May occurred on May 16, 2003, when 20 mm (0.8 in) of precipitation was measured.
Best Places in Finland in May
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in May →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Kouvola in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days.
What To Do in Kouvola in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling6/10 -
Walking6/10 -
Camping4/10 -
Outdoor sports10/10
Kouvola 3-Day Forecast
More climate data for Kouvola
See the full Kouvola climate overview or explore weather in Finland.
Popular in May
Where to go in May - average daytime high across popular destinations.
Tampere
15°C (59°F) Helsinki
16°C (61°F) Turku16°C (61°F) Vuokatti
13°C (55°F) Rovaniemi12°C (54°F) Äkäslompolo11°C (52°F) Ruka10°C (50°F) Levi10°C (50°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Air Guitar World Championship Finland
Sleeping in a glass iglo in Finland
Sleeping in a glass igloo with the Northern Lights shining above you. The most famous place is in the Iglo village in Kakslattaunen. The idea is amazing and definitely something to add to your bucket list.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?